阅读说明：本技术 一种儿童推车 (Children's barrow ) 是由 李丰 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种儿童推车,包括具有展开状态和折叠状态的车架,车架包括分设在两侧的两个侧支架,每侧的侧支架均包括：前支架,前支架为伸缩杆组件,伸缩杆组件包括上杆和设置在上杆下方并与上杆滑动连接的下杆,前轮组件与下杆的下端部连接；后支架,后支架的下端部与后轮组件连接,后支架的上端部与前支架的上端部转动连接；第一连杆,第一连杆的下端部与下杆转动连接；第二连杆,第二连杆的下端部与后支架转动连接；推杆,推杆的下部与上杆的上部通过第一转动轴转动连接,在第一转动轴的下方,推杆的下端部分别与第一连杆的上端部和第二连杆的上端部转动连接；当车架在展开状态和折叠状态之间相互转换时,推杆带动下杆相对上杆滑动。(The invention discloses a children's barrow, which comprises a frame in an unfolding state and a folding state, wherein the frame comprises two side brackets which are respectively arranged at two sides, and the side bracket at each side comprises: the front bracket is a telescopic rod component, the telescopic rod component comprises an upper rod and a lower rod which is arranged below the upper rod and is in sliding connection with the upper rod, and the front wheel component is connected with the lower end part of the lower rod; the lower end part of the rear bracket is connected with the rear wheel assembly, and the upper end part of the rear bracket is rotationally connected with the upper end part of the front bracket; the lower end part of the first connecting rod is rotatably connected with the lower rod; the lower end part of the second connecting rod is rotatably connected with the rear support; the lower part of the push rod is rotatably connected with the upper part of the upper rod through a first rotating shaft, and the lower end part of the push rod is respectively rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod below the first rotating shaft; when the frame is switched between the unfolding state and the folding state, the push rod drives the lower rod to slide relative to the upper rod.)

1. The utility model provides a children's shallow, is including frame, front wheel subassembly, the rear wheel subassembly that has expansion state and fold condition, the frame is including dividing two collateral branch framves of establishing in the left and right sides, its characterized in that, the collateral branch frame of every side all includes:

the front support extends obliquely upwards from front to back in an unfolded state of the frame, the front support is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod and a lower rod which is arranged below the upper rod and is in sliding connection with the upper rod, and the front wheel assembly is connected with the lower end part of the lower rod;

the rear support extends obliquely upwards from back to front in the unfolded state of the frame, the lower end part of the rear support is connected with the rear wheel assembly, and the upper end part of the rear support is rotatably connected with the upper end part of the upper rod;

the lower end part of the first connecting rod is rotatably connected with the lower rod;

the lower end part of the second connecting rod is rotatably connected with the rear support;

the lower part of the push rod is rotatably connected with the upper rod through a rotating shaft, and the lower end part of the push rod is respectively rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod below the rotating shaft;

when the frame in expand the state with when interconversion between the fold condition, the push rod drives the lower beam is relative the upper boom slides.

2. The stroller of claim 1, wherein: the upper rod is slidably inserted into the lower rod or the lower rod is slidably inserted into the upper rod.

3. Child stroller according to claim 1 or 2, characterized in that: the first connecting rod comprises a seat rod extending along the front-back direction and a connecting rod fixedly connected with the front portion of the seat rod and extending obliquely along the up-down direction, the rear end portion of the seat rod is rotatably connected with the lower end portion of the push rod, and the lower end portion of the connecting rod is rotatably connected with the lower end portion of the lower rod.

4. The stroller of claim 1, wherein: the lower end part of the push rod is rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod through the same rotating shaft.

5. The stroller of claim 1, wherein: the push rod includes the push rod body and fixed the setting is in first extension rod and the second extension rod of push rod body lower tip, the upper end of first connecting rod with the lower tip of first extension rod rotates to be connected, the upper end of second connecting rod with the lower tip of second extension rod rotates to be connected.

6. The stroller of claim 1, wherein: the rotating shaft is positioned in front of a rotating connection point of the upper rod and the rear support.

7. The utility model provides a children's shallow, is including frame, front wheel subassembly, the rear wheel subassembly that has expansion state and fold condition, the frame is including dividing two collateral branch framves of establishing in the left and right sides, its characterized in that, the collateral branch frame of every side all includes:

a front bracket extending obliquely upward from front to rear in an unfolded state of the frame, the front wheel assembly being connected to a lower end portion of the front bracket;

the rear support extends obliquely upwards from back to front in an unfolded state of the frame, the rear support is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod and a lower rod which is arranged below the upper rod and is in sliding connection with the upper rod, the upper end of the upper rod is rotatably connected with the upper end of the front support, and the lower end of the lower rod is connected with the rear wheel assembly;

the lower end part of the first connecting rod is rotatably connected with the lower rod;

the lower end part of the second connecting rod is rotatably connected with the front bracket;

the lower part of the push rod is rotatably connected with the upper rod through a rotating shaft, and the lower end part of the push rod is respectively rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod below the rotating shaft;

when the frame in expand the state with when interconversion between the fold condition, the push rod drives the lower beam is relative the upper boom slides.

8. The stroller of claim 7, wherein: the upper rod is slidably inserted into the lower rod or the lower rod is slidably inserted into the upper rod.

9. Child stroller according to claim 7 or 8, characterized in that: the upper rod is bent and extends forwards to form a seat rod, and the front end part of the seat rod is rotatably connected with the upper end part of the front bracket.

10. The stroller of claim 7, wherein: the lower end part of the push rod is rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod through the same rotating shaft.

Technical Field

The invention relates to the field of children products, in particular to a stroller.

Background

Disclosure of Invention

The invention aims to provide a baby stroller which is simple in structure and can synchronously contract a front support when folded, so that the size of the folded stroller is smaller.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a children's shallow, is including frame, front wheel subassembly, the rear wheel subassembly that has expansion state and fold condition, the frame is including dividing two collateral branch framves of establishing in the left and right sides, its characterized in that, the collateral branch frame of every side all includes:

the front support extends obliquely upwards from front to back in an unfolded state of the frame, the front support is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod and a lower rod which is arranged below the upper rod and is in sliding connection with the upper rod, and the front wheel assembly is connected with the lower end part of the lower rod;

the rear support extends obliquely upwards from back to front in the unfolded state of the frame, the lower end part of the rear support is connected with the rear wheel assembly, and the upper end part of the rear support is rotatably connected with the upper end part of the upper rod;

the lower end part of the first connecting rod is rotatably connected with the lower rod;

the lower end part of the second connecting rod is rotatably connected with the rear support;

the lower part of the push rod is rotatably connected with the upper rod through a rotating shaft, and the lower end part of the push rod is respectively rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod below the rotating shaft;

when the frame in expand the state with when interconversion between the fold condition, the push rod drives the lower beam is relative the upper boom slides.

Further, the upper rod is slidably inserted into the lower rod or the lower rod is slidably inserted into the upper rod.

Further, the first connecting rod comprises a seat rod extending along the front-back direction and a connecting rod fixedly connected with the front portion of the seat rod and extending obliquely along the up-down direction, the rear end portion of the seat rod is rotatably connected with the lower end portion of the push rod, and the lower end portion of the connecting rod is rotatably connected with the lower end portion of the lower rod.

Furthermore, the lower end part of the push rod is rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod through the same rotating shaft.

Further, the push rod includes the push rod body and fixed the setting is in first extension rod and the second extension rod of push rod body lower tip, the upper end of first connecting rod with the lower tip of first extension rod rotates and is connected, the upper end of second connecting rod with the lower tip of second extension rod rotates and is connected.

Further, the rotation shaft is located in front of a rotation connection point of the upper bar and the rear bracket.

Another object of the present invention is to provide a stroller with a simple structure and a synchronously retractable rear frame when folded, so that the size of the folded stroller is small.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a children's shallow, is including frame, front wheel subassembly, the rear wheel subassembly that has expansion state and fold condition, the frame is including dividing two collateral branch framves of establishing in the left and right sides, its characterized in that, the collateral branch frame of every side all includes:

a front bracket extending obliquely upward from front to rear in an unfolded state of the frame, the front wheel assembly being connected to a lower end portion of the front bracket;

the rear support extends obliquely upwards from back to front in an unfolded state of the frame, the rear support is a telescopic rod assembly, the telescopic rod assembly comprises an upper rod and a lower rod which is arranged below the upper rod and is in sliding connection with the upper rod, the upper end of the upper rod is rotatably connected with the upper end of the front support, and the lower end of the lower rod is connected with the rear wheel assembly;

the lower end part of the first connecting rod is rotatably connected with the lower rod;

the lower end part of the second connecting rod is rotatably connected with the front bracket;

the lower part of the push rod is rotatably connected with the upper rod through a rotating shaft, and the lower end part of the push rod is respectively rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod below the rotating shaft;

when the frame in expand the state with when interconversion between the fold condition, the push rod drives the lower beam is relative the upper boom slides.

Further, the upper rod is slidably inserted into the lower rod or the lower rod is slidably inserted into the upper rod.

Further, the upper rod is bent and extends forwards to form a seat rod, and the front end of the seat rod is rotatably connected with the upper end of the front bracket.

Furthermore, the lower end part of the push rod is rotatably connected with the upper end part of the first connecting rod and the upper end part of the second connecting rod through the same rotating shaft.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the child stroller, the telescopic rod assembly is arranged on the front support or the rear support, when the stroller is folded from an unfolded state, the first connecting rod is driven by the push rod to move, the lower rod in the telescopic rod assembly is driven by the first connecting rod to slide upwards and approach the upper rod, so that the folded stroller is smaller in size and does not need to be folded for two times, and the storage and the transportation are convenient.

Drawings

Fig. 1 is a perspective view of the stroller of the present invention in a deployed state (example 1);

fig. 2 is a side view of the stroller of the present invention in a deployed state (example 1);

FIG. 3 is a side view of the stroller of the present invention during folding (example 1);

FIG. 4 is a side view of the stroller of the present invention in a folded position (example 1);

FIG. 5 is a perspective view of the stroller of the present invention in a deployed state (example 2);

FIG. 6 is a side view of the stroller of the present invention in the deployed position (example 2);

FIG. 7 is a side view of the stroller of the present invention during folding (example 2);

fig. 8 is a side view of the stroller of the present invention in a folded position (example 2).

The reference numbers in the figures are:

1. a front wheel assembly; 2. a rear wheel assembly; 3. a front bracket; 4. a rear bracket; 5a, an upper rod; 5b, a lower rod; 6. a first link; 7. a second link; 8. a push rod; 8a, a push rod body 9 and a rotating shaft; 10. a seat post; 11. a connecting rod; 12. a first extension bar; 13. a second extension bar.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.